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參數資料
| 型號： | CA3304AD |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | ADC |
| 英文描述： | 4-Bit, 25 MSPS, Flash A/D Converters |
| 中文描述： | 1-CH 4-BIT FLASH METHOD ADC, PARALLEL ACCESS, CDIP16 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 117K |
| 代理商： | CA3304AD |
4-7
August 1997
CA3304, CA3304A
4-Bit, 25 MSPS,
Flash A/D Converters
Features
CMOS/SOS Low Power with Video Speed (Typ) . . 25mW
Parallel Conversion Technique
Single Power Supply Voltage . . . . . . . . . . . . 3V to 7.5V
25MHz Sampling Rate (40ns Conversion Time) at 5V
Supply
4-Bit Latched Three-State Output with Overflow and
Data Change Outputs
1
/
8
LSB Maximum Nonlinearity (A Version)
Inherent Resistance to Latch-Up Due to SOS Process
Bipolar Input Range with Optional Second Supply
Wide Input Bandwidth (Typ) . . . . . . . . . . . . . . . . 25MHz
Applications
High Speed A/D Conversion
Ultrasound Signature Analysis
Transient Signal Analysis
High Energy Physics Research
General-Purpose Hybrid ADCs
Optical Character Recognition
Radar Pulse Analysis
Motion Signature Analysis
Robot Vision
RSSI Circuits
Description
The Intersil CA3304 is a CMOS parallel (FLASH) analog-to-
digital converter designed for applications demanding both
low-power consumption and high speed digitization. Digitiz-
ing at 25MHz, for example, requires only about 35mW.
The CA3304 operates over a wide, full-scale signal input
voltage range of 0.5V up to the supply voltage. Power
consumption is as low as 10mW, depending upon the clock
frequency selected.
The intrinsic high conversion rate makes the CA3304 types
ideally suited for digitizing high speed signals. The overflow
bit makes possible the connection of two or more CA3304s
in series to increase the resolution of the conversion system.
A series connection of two CA3304s may be used to pro-
duce a 5-bit, 25MHz converter. Operation of two CA3304s in
parallel doubles the conversion speed (i.e., increases the
sampling rate from 25MHz to 50MHz). A data change pin
indicates when the present output differs from the previous,
thus allowing compaction of data storage.
Sixteen paralleled auto-balanced voltage comparators mea-
sure the input voltage with respect to a known reference to
produce the parallel-bit outputs in the CA3304. Fifteen com-
parators are required to quantize all input voltage levels in this
4-bit converter, and the additional comparator is required for
the overflow bit.
Ordering Information
Pinout
CA3304 (SBDIP, PDIP, SOIC)
TOP VIEW
PART NUMBER LINEARITY (INL, DNL)
SAMPLING RATE
TEMP. RANGE (
o
C)
PACKAGE
PKG. NO.
CA3304E
±
0.25 LSB
25MHz (40ns)
-40 to 85
16 Ld PDIP
E16.3
CA3304AE
±
0.125 LSB
25MHz (40ns)
-40 to 85
16 Ld PDIP
E16.3
CA3304M
±
0.25 LSB
25MHz (40ns)
-40 to 85
16 Ld SOIC (W)
M16.3
CA3304AM
±
0.125 LSB
25MHZ (40ns)
-40 to 85
16 Ld SOIC (W)
M16.3
CA3304D
±
0.25 LSB
25MHz (40ns)
-55 to 125
16 Ld SBDIP
D16.3
CA3304AD
±
0.125 LSB
25MHz (40ns)
-55 to 125
16 Ld SBDIP
D16.3
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
BIT 1 (LSB)
BIT 2
BIT 3
BIT 4
DATA CHANGE (DC)
OVERFLOW (OF)
V
SS
CE2
V
DD
V
AA
-
V
REF
-
V
REF
+
V
IN
V
AA
+
CE1
CLK
File Number
1790.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright Intersil Corporation 1999
相關PDF資料 |
PDF描述 |
|---|---|
| CA3304AE | 4-Bit, 25 MSPS, Flash A/D Converters |
| CA3304AM | 4-Bit, 25 MSPS, Flash A/D Converters |
| CA3304D | 4-Bit, 25 MSPS, Flash A/D Converters |
| CA3304E | 4-Bit, 25 MSPS, Flash A/D Converters |
| CA3304M | 4-Bit, 25 MSPS, Flash A/D Converters |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CA3304A-D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Converter IC |
| CA3304AE | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CA3304A-E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Converter IC |
| CA3304AM | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:4-Bit, 25 MSPS, Flash A/D Converters |
| CA3304D | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:4-Bit, 25 MSPS, Flash A/D Converters |
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